Home / 10,385.55-15,583.80-6,233.90

Finding the Fourth Proportional to 10,385.55, 15,583.80 and 6,233.90

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Solution

The fourth proportional to 10,385.55, 15,583.80 and 6,233.90 is: 9,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.55 : 15,583.80 = 6,233.90 : x
  2. Step 2: Convert to fraction form
    10,385.55/15,583.80 = 6,233.90/x
  3. Step 3: Cross multiply
    10,385.55x = 15,583.80 × 6,233.90
  4. Step 4: Simplify right side
    10,385.55x = 97,147,772.90
  5. Step 5: Solve for x
    x = 97,147,772.90/10,385.55
  6. Step 6: Final answer
    x = 9,354.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.